# Formal representation of qualitative direction

> Research article (International Journal of Geographical Information Systems, 2018) · cited 33× · AI/ML

**Wikidata**: [openalex:W2789170698](https://www.wikidata.org/wiki/openalex:W2789170698)  
**Source**: https://4ort.xyz/entity/formal-representation-of-qualitative-direction